Daim iav hom twg yog siv los pom ib ncig ntawm cov ces kaum?
Daim iav hom twg yog siv los pom ib ncig ntawm cov ces kaum?

Video: Daim iav hom twg yog siv los pom ib ncig ntawm cov ces kaum?

Video: Daim iav hom twg yog siv los pom ib ncig ntawm cov ces kaum?
Video: Nkauj Ntseeg Tawm Tshiab | “Vajtswv Yog Tus Tswv ntawm Txhua Yam uas Tsim Los”(A Cappella) 2024, Kaum ib hlis
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Yuav ua li cas periscope cia koj pom ib ncig ntawm cov ces kaum thiab tshaj thiab nyob rau hauv tej yam? (Lub angled tsom iav hauv qhov kawg ntawm periscope khoov lub teeb ci. Thaum koj saib los ntawm periscope, lub teeb los ntawm cov khoom ntawm cov ces kaum ncaj rau koj lub qhov muag tau khoov kom cov khoom nkag los rau hauv koj txoj kab kev pom.)

Ua kom pom qhov no, hom iav twg siv rau ntawm qhov muag tsis pom kev?

Ib tug convex dig muag chaw daim iav yog nkhaus daim iav uas tau tsim los tso cai rau cov neeg saib pom cov ntu ntawm lawv ib puag ncig uas lawv ib txwm tsis tuaj yeem pom. Convex tsom iav feem ntau tau teeb tsa tom ntej kom nruj fab nyob rau hauv txoj kev tso cai rau cov neeg tsav tsheb mus xyuas cov tsheb yuav los.

Tom qab ntawd, lo lus nug yog, ua li cas peb pom cov khoom hauv daim iav? Thaum photons - rays ntawm lub teeb - los ntawm ib tug khoom (koj lub ntsej muag luag ntxhi, piv txwv li) ntaus qhov du ntawm a daim iav , lawv rov qab rau tib lub kaum sab xis. Koj ob lub qhov muag pom cov photons reflected li ib daim iav duab.

Ib sab ntawm no, daim iav twg siv rau sab pom hauv tsheb?

Vim tias daim duab me dua, ntau daim duab tuaj yeem haum rau daim iav , so ib convex daim iav muab rau thaj tsam loj dua ntawm saib dua ib lub dav hlau daim iav . Qhov no yog vim li cas lawv thiaj li muaj txiaj ntsig. Lawv yog siv thaum twg los xij a daim iav nrog thaj tsam loj ntawm saib xav tau. Piv txwv li, tus neeg caij npav- sab qab saib daim iav ntawm a tsheb yog convex.

Puas yog lub iav tsom iav concave lossis convex?

Cov iav tsom iav tau muab tso rau ntawm sab - saib daim iav ntawm lub tsheb, whereas, lub convex tsheb iav muab tso rau ntawm lub taub hau. Cov no tsom iav qhia txog lub teeb uas poob rau lawv mus rau ib qho chaw focal; yog li tsim ib qho kev xav ntawm cov khoom, uas yog qhov loj dua nws qhov loj me.

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